... ,3,7,12,19,37,61,99 elementLength and Diameter of Matched Components of Film: 250-1200mm/Outside Diameter 25, 30, 40mmMain Materials ... and inorganic filmPurification, classification and concentration of productsRecollection of organic solventAir SeparationTreatment of Industrial WaterTreatment of Surface WaterTreatment of Military Water CFseries ceramic dynamic filter